diff --git a/src/error.php b/src/error.php
index c3b8800..c783115 100644
--- a/src/error.php
+++ b/src/error.php
@@ -418,7 +418,7 @@ $wa->useScript('user.js');         // js/user.js
 
 <?php if ($this->params->get('backTop') == 1) : ?>
 	<a href="#top" id="back-top" class="back-to-top-link" aria-label="<?php echo Text::_('TPL_MOKOCASSIOPEIA_BACKTOTOP'); ?>">
-		<span class="icon-arrow-up icon-fw" aria-hidden="true"></span>
+		<span class="fa-solid fa-arrow-up" aria-hidden="true"></span>
 	</a>
 <?php endif; ?>
 
diff --git a/src/media/css/template.css b/src/media/css/template.css
index 2ff4823..cd21d66 100644
--- a/src/media/css/template.css
+++ b/src/media/css/template.css
@@ -18636,17 +18636,114 @@ nav[data-toggle=toc] .nav-link.active+ul{
   justify-content: center;
 }
 
-/* Icon mappings */
-.icon-menu::before   { content: "\f0c9"; } /* bars */
-.icon-search::before { content: "\f002"; }
-.icon-user::before   { content: "\f007"; }
-.icon-edit::before   { content: "\f044"; }
-.icon-save::before   { content: "\f0c7"; }
-.icon-trash::before  { content: "\f1f8"; }
-.icon-cancel::before { content: "\f00d"; }
-.icon-check::before  { content: "\f00c"; }
-.icon-plus::before   { content: "\f067"; }
-.icon-minus::before  { content: "\f068"; }
+/* IcoMoon → Font Awesome 7 compatibility layer.
+   Joomla core renders icon-* classes via IcoMoon; this maps them to
+   FA7 Free glyphs so icons render without loading a second icon font. */
+[class^="icon-"]::before,
+[class*=" icon-"]::before {
+  font-family: "Font Awesome 7 Free", "Font Awesome 6 Free", sans-serif;
+  font-weight: 900;
+  font-style: normal;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+  display: inline-block;
+}
+
+.icon-fw { width: 1.25em; text-align: center; }
+
+/* Navigation & UI */
+.icon-menu::before          { content: "\f0c9"; } /* bars */
+.icon-search::before        { content: "\f002"; }
+.icon-home::before          { content: "\f015"; }
+.icon-arrow-up::before      { content: "\f062"; }
+.icon-arrow-down::before    { content: "\f063"; }
+.icon-arrow-left::before    { content: "\f060"; }
+.icon-arrow-right::before   { content: "\f061"; }
+.icon-chevron-up::before    { content: "\f077"; }
+.icon-chevron-down::before  { content: "\f078"; }
+.icon-chevron-left::before  { content: "\f053"; }
+.icon-chevron-right::before { content: "\f054"; }
+.icon-caret-up::before      { content: "\f0d8"; }
+.icon-caret-down::before    { content: "\f0d7"; }
+
+/* Actions */
+.icon-edit::before      { content: "\f044"; }
+.icon-save::before      { content: "\f0c7"; }
+.icon-trash::before     { content: "\f1f8"; }
+.icon-delete::before    { content: "\f1f8"; }
+.icon-cancel::before    { content: "\f00d"; }
+.icon-remove::before    { content: "\f00d"; }
+.icon-check::before     { content: "\f00c"; }
+.icon-plus::before      { content: "\f067"; }
+.icon-minus::before     { content: "\f068"; }
+.icon-copy::before      { content: "\f0c5"; }
+.icon-refresh::before   { content: "\f021"; }
+.icon-undo::before      { content: "\f0e2"; }
+.icon-download::before  { content: "\f019"; }
+.icon-upload::before    { content: "\f093"; }
+.icon-print::before     { content: "\f02f"; }
+
+/* Objects */
+.icon-user::before      { content: "\f007"; }
+.icon-users::before     { content: "\f0c0"; }
+.icon-lock::before      { content: "\f023"; }
+.icon-unlock::before    { content: "\f09c"; }
+.icon-key::before       { content: "\f084"; }
+.icon-envelope::before  { content: "\f0e0"; }
+.icon-mail::before      { content: "\f0e0"; }
+.icon-calendar::before  { content: "\f073"; }
+.icon-clock::before     { content: "\f017"; }
+.icon-eye::before       { content: "\f06e"; }
+.icon-eye-close::before { content: "\f070"; }
+.icon-star::before      { content: "\f005"; }
+.icon-star-empty::before { content: "\f005"; font-weight: 400; }
+.icon-heart::before     { content: "\f004"; }
+.icon-comment::before   { content: "\f075"; }
+.icon-comments::before  { content: "\f086"; }
+.icon-folder::before    { content: "\f07b"; }
+.icon-folder-open::before { content: "\f07c"; }
+.icon-file::before      { content: "\f15b"; }
+.icon-image::before     { content: "\f03e"; }
+.icon-camera::before    { content: "\f030"; }
+.icon-tag::before       { content: "\f02b"; }
+.icon-tags::before      { content: "\f02c"; }
+.icon-link::before      { content: "\f0c1"; }
+.icon-globe::before     { content: "\f0ac"; }
+.icon-flag::before      { content: "\f024"; }
+
+/* Status & info */
+.icon-info::before              { content: "\f129"; }
+.icon-info-circle::before       { content: "\f05a"; }
+.icon-warning::before           { content: "\f071"; }
+.icon-exclamation-triangle::before { content: "\f071"; }
+.icon-question::before          { content: "\f128"; }
+.icon-question-circle::before   { content: "\f059"; }
+.icon-ban-circle::before        { content: "\f05e"; }
+
+/* Media & layout */
+.icon-cog::before         { content: "\f013"; }
+.icon-cogs::before        { content: "\f085"; }
+.icon-wrench::before      { content: "\f0ad"; }
+.icon-list::before        { content: "\f03a"; }
+.icon-th::before          { content: "\f00a"; }
+.icon-th-large::before    { content: "\f009"; }
+.icon-grid::before        { content: "\f00a"; }
+.icon-grid-2::before      { content: "\f009"; }
+.icon-bars::before        { content: "\f0c9"; }
+.icon-share::before       { content: "\f064"; }
+.icon-share-alt::before   { content: "\f1e0"; }
+.icon-rss::before         { content: "\f09e"; }
+.icon-feed::before        { content: "\f09e"; }
+.icon-external-link::before { content: "\f35d"; }
+.icon-signup::before      { content: "\f234"; }
+
+/* Publishing */
+.icon-publish::before     { content: "\f00c"; }
+.icon-unpublish::before   { content: "\f00d"; }
+.icon-featured::before    { content: "\f005"; }
+.icon-unfeatured::before  { content: "\f005"; font-weight: 400; }
+.icon-archive::before     { content: "\f187"; }
+.icon-unarchive::before   { content: "\f187"; }
 
 /* ===== BOOTSTRAP & JOOMLA BUTTONS ===== */
 .btn-primary {